Close-grained and Jam-packed

Close-grained adjective - Dense or compact in structure or texture, as a wood composed of small-diameter cells.

Jam-packed and close-grained are semantically related. in close topic. In some cases you can use "Jam-packed" instead an adjective phrase "Close-grained", when it comes to topics like dense.

Jam-packed adjective - Containing or seeming to contain the greatest quantity or number possible.

Close-grained and jam-packed are semantically related. Sometimes you can use "Close-grained" instead an adjective phrase "Jam-packed".